ZEBRA BIOTUBE BI-KRB 0.7㎜ Environmentally friendly ball pen Plant regeneration and recycling Earth environmental protection Japanese certification mark

"Jimknock with Biotube" is the industry's only environmentally friendly ball pen, not only the main body but also the refill. It is the first company in the industry to successfully use biomass plastic.



Made of biomass plastic derived from plant sugar cane, the pen body of the ball pen uses renewable materials to reduce earth pollution.

Obtained the "BP (Biomass Plastics) Mark" certification established by the Japan Bioplastics Association.

It can reduce CO2 consumption by 73% and has significant environmental features, helping to mitigate the impact of climate change.

The indenter design uses a 0.7mm pen tip to provide a smooth writing experience.

Made in Japan, high quality, reliability and strict process control.

The design of the ball pen is inspired by earth tones, reminiscent of environmental factors.





●Size: 11.6*140.1 mm

●Ink color: black/red

●Axis color: ocean blue-green, earth blue, water color transparent is black ink / sunrise coral color is red ink

●Supplementary core: CEK-0.7 core





STA-BI-KRB-EB ZEBRA BIOTUBE BI-KRB 0.7㎜ Environmentally Friendly Ball Pen-Earth Blue (Black Ink)

STA-BI-KRB-OBG ZEBRA BIOTUBE BI-KRB 0.7㎜ Environmentally Friendly Ball Pen-Ocean Blue Green (Black Ink)

STA-BI-KRB-SC ZEBRA BIOTUBE BI-KRB 0.7㎜ Environmentally Friendly Ball Pen-Sunrise Coral (Red Ink)

STA-BI-KRB-WC ZEBRA BIOTUBE BI-KRB 0.7㎜ Environmentally Friendly Ball Pen-Water Transparent Color (Black Ink)